title: Poor performance of a national clinical case definition of influenza infection during an outbreak of 2009 pandemic H1N1.
authors.forename: Seong-Ho
authors.initials: SH
authors.lastname: Choi
authors.forename: Sun Young
authors.initials: SY
authors.lastname: Cho
authors.forename: Jin-Won
authors.initials: JW
authors.lastname: Chung
mesh_terms: D003955:Diagnostic Tests, Routine / Q000379:methods*; D004196:Disease Outbreaks; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000175:diagnosis* / Q000473:pathology* / Q000821:virology; D058873:Pandemics; D056910:Republic of Korea